! Started logfile: J0825+0309_S_2000_03_13_pus_uvs.log on Tue Apr 2 14:41:28 2013 obs J0825+0309_S_2000_03_13_pus_uva.fits ! Reading UV FITS file: J0825+0309_S_2000_03_13_pus_uva.fits ! AN table 1: 16 integrations on 190 of 190 possible baselines. ! AN table 2: 36 integrations on 190 of 190 possible baselines. ! AN table 3: 43 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.113463 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0825+0309 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22497e+09 8e+06 1 8e+06 ! 02 2 2.24497e+09 8e+06 1 8e+06 ! 03 3 2.33497e+09 8e+06 1 8e+06 ! 04 4 2.36497e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2247 lines of history. ! ! Reading 8192 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.5 print "taper_size =",taper_size ! taper_size = 20 ![@muppet J0825+0309_S_2000_03_13_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.500x0.500 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 320 telescope corrections were flagged in sub-array 1. ! A total of 603 telescope corrections were flagged in sub-array 2. ! A total of 488 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 320 telescope corrections were flagged in sub-array 1. ! A total of 603 telescope corrections were flagged in sub-array 2. ! A total of 488 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 320 telescope corrections were flagged in sub-array 1. ! A total of 603 telescope corrections were flagged in sub-array 2. ! A total of 488 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 320 telescope corrections were flagged in sub-array 1. ! A total of 603 telescope corrections were flagged in sub-array 2. ! A total of 488 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.560362Jy sigma=0.005395 ! Fit after self-cal, rms=0.275600Jy sigma=0.002343 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.396 mas, bmaj=5.716 mas, bpa=1.751 degrees ! Estimated noise=1548.53 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.637792 Jy ! Component: 100 - total flux cleaned = 0.807762 Jy ! Total flux subtracted in 100 components = 0.807762 Jy ! Clean residual min=-0.024328 max=0.074526 Jy/beam ! Clean residual mean=0.000333 rms=0.009575 Jy/beam ! Combined flux in latest and established models = 0.807762 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.807762 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.244624Jy sigma=0.002289 ! Fit after self-cal, rms=0.244567Jy sigma=0.002288 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0835847 Jy ! Component: 100 - total flux cleaned = 0.134473 Jy ! Total flux subtracted in 100 components = 0.134473 Jy ! Clean residual min=-0.021158 max=0.026990 Jy/beam ! Clean residual mean=0.000118 rms=0.005603 Jy/beam ! Combined flux in latest and established models = 0.942235 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 24 components and 0.942235 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196823Jy sigma=0.001706 ! Fit after self-cal, rms=0.196688Jy sigma=0.001706 ! Inverting map print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.321 mas, bmaj=6.819 mas, bpa=-7.309 degrees ! Estimated noise=866.756 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0636342 Jy ! Component: 100 - total flux cleaned = 0.0968924 Jy ! Component: 150 - total flux cleaned = 0.115434 Jy ! Component: 200 - total flux cleaned = 0.126117 Jy ! Total flux subtracted in 200 components = 0.126117 Jy ! Clean residual min=-0.016044 max=0.019924 Jy/beam ! Clean residual mean=-0.000108 rms=0.005438 Jy/beam ! Combined flux in latest and established models = 1.06835 Jy ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 61 components and 1.06835 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181180Jy sigma=0.001448 ! Fit after self-cal, rms=0.181097Jy sigma=0.001447 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.13 GC 1.09 KP 0.96 ! LA 1.05 NL 1.00* OV 1.07 PT 1.09 ! SC 1.00* WF 1.00* HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 1.04 NY 1.00* ! ON 1.00* TS 0.97 WZ 1.00* HN 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 0.97 GC 1.04 KP 0.78 ! LA 0.99 NL 1.05 OV 0.98 PT 0.99 ! SC 1.02 WF 1.06 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 0.98 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.09 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.08 GC 1.04 KP 0.98 ! LA 1.08 NL 1.00* OV 1.05 PT 1.06 ! SC 1.00* WF 1.00* HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 1.07 NY 1.00* ! ON 1.00* TS 0.98 WZ 1.00* HN 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.95 GC 1.03 KP 0.90 ! LA 1.01 NL 1.06 OV 0.98 PT 1.00 ! SC 0.97 WF 1.02 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 0.99 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.10 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.05 GC 1.07 KP 1.08 ! LA 1.06 NL 1.00* OV 1.09 PT 1.00 ! SC 1.00* WF 1.00* HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 1.06 NY 1.00* ! ON 1.00* TS 1.00 WZ 1.00* HN 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.94 GC 1.04 KP 1.10 ! LA 1.01 NL 1.04 OV 1.01 PT 0.96 ! SC 0.97 WF 0.98 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 1.02 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.14 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.14 GC 1.04 KP 1.02 ! LA 1.07 NL 1.00* OV 1.04 PT 1.07 ! SC 1.00* WF 1.00* HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 1.08 NY 1.00* ! ON 1.00* TS 0.99 WZ 1.00* HN 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 0.97 GC 1.03 KP 0.99 ! LA 1.03 NL 1.05 OV 0.99 PT 0.94 ! SC 1.02 WF 1.06 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 1.01 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.15 ! ! ! Fit before self-cal, rms=0.181097Jy sigma=0.001447 ! Fit after self-cal, rms=0.168263Jy sigma=0.001212 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.361 mas, bmaj=6.9 mas, bpa=-7.524 degrees ! Estimated noise=872.826 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (4, 8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00480301 Jy ! Component: 100 - total flux cleaned = 0.00523127 Jy ! Component: 150 - total flux cleaned = 0.00574012 Jy ! Component: 200 - total flux cleaned = 0.00573822 Jy ! Total flux subtracted in 200 components = 0.00573822 Jy ! Clean residual min=-0.005704 max=0.006611 Jy/beam ! Clean residual mean=0.000067 rms=0.001593 Jy/beam ! Combined flux in latest and established models = 1.07409 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 78 components and 1.07409 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167551Jy sigma=0.001206 ! Fit after self-cal, rms=0.167625Jy sigma=0.001205 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167625Jy sigma=0.001205 ! Fit after self-cal, rms=0.167144Jy sigma=0.001204 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.362 mas, bmaj=6.909 mas, bpa=-7.587 degrees ! Estimated noise=872.407 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00174942 Jy ! Component: 100 - total flux cleaned = 0.00221925 Jy ! Component: 150 - total flux cleaned = 0.00247296 Jy ! Component: 200 - total flux cleaned = 0.00248447 Jy ! Total flux subtracted in 200 components = 0.00248447 Jy ! Clean residual min=-0.005206 max=0.005350 Jy/beam ! Clean residual mean=0.000059 rms=0.001388 Jy/beam ! Combined flux in latest and established models = 1.07658 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 86 components and 1.07658 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166842Jy sigma=0.001201 ! Fit after self-cal, rms=0.166806Jy sigma=0.001201 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000622556 Jy ! Component: 100 - total flux cleaned = 0.000623354 Jy ! Component: 150 - total flux cleaned = 0.00062655 Jy ! Component: 200 - total flux cleaned = 0.000549634 Jy ! Total flux subtracted in 200 components = 0.000549634 Jy ! Clean residual min=-0.004870 max=0.004812 Jy/beam ! Clean residual mean=0.000055 rms=0.001328 Jy/beam ! Combined flux in latest and established models = 1.07712 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 94 components and 1.07712 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166699Jy sigma=0.001200 ! Fit after self-cal, rms=0.166683Jy sigma=0.001200 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166683Jy sigma=0.001200 ! Fit after self-cal, rms=0.166508Jy sigma=0.001199 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.363 mas, bmaj=6.921 mas, bpa=-7.649 degrees ! Estimated noise=872.485 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000162499 Jy ! Component: 100 - total flux cleaned = 0.000553244 Jy ! Component: 150 - total flux cleaned = 0.000722897 Jy ! Component: 200 - total flux cleaned = 0.000874203 Jy ! Total flux subtracted in 200 components = 0.000874203 Jy ! Clean residual min=-0.004615 max=0.004550 Jy/beam ! Clean residual mean=0.000053 rms=0.001223 Jy/beam ! Combined flux in latest and established models = 1.078 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 97 components and 1.078 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166387Jy sigma=0.001198 ! Fit after self-cal, rms=0.166372Jy sigma=0.001198 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000417284 Jy ! Component: 100 - total flux cleaned = 0.000351513 Jy ! Component: 150 - total flux cleaned = 0.000351438 Jy ! Component: 200 - total flux cleaned = 0.000294319 Jy ! Total flux subtracted in 200 components = 0.000294319 Jy ! Clean residual min=-0.004345 max=0.004415 Jy/beam ! Clean residual mean=0.000051 rms=0.001194 Jy/beam ! Combined flux in latest and established models = 1.07829 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 100 components and 1.07829 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166318Jy sigma=0.001198 ! Fit after self-cal, rms=0.166309Jy sigma=0.001198 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166309Jy sigma=0.001198 ! Fit after self-cal, rms=0.166311Jy sigma=0.001197 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.552 mas, bmaj=9.6 mas, bpa=6.652 degrees ! Estimated noise=1032 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000386596 Jy ! Component: 100 - total flux cleaned = 0.000190435 Jy ! Component: 150 - total flux cleaned = 0.000141626 Jy ! Component: 200 - total flux cleaned = 3.08294e-06 Jy ! Total flux subtracted in 200 components = 3.08294e-06 Jy ! Clean residual min=-0.003974 max=0.004580 Jy/beam ! Clean residual mean=0.000104 rms=0.001210 Jy/beam ! Combined flux in latest and established models = 1.0783 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 112 components and 1.0783 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166279Jy sigma=0.001197 ! Fit after self-cal, rms=0.166266Jy sigma=0.001197 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.02681e-05 Jy ! Component: 100 - total flux cleaned = 0.000132811 Jy ! Component: 150 - total flux cleaned = 6.30929e-05 Jy ! Component: 200 - total flux cleaned = -2.83226e-05 Jy ! Total flux subtracted in 200 components = -2.83226e-05 Jy ! Clean residual min=-0.003787 max=0.004526 Jy/beam ! Clean residual mean=0.000104 rms=0.001199 Jy/beam ! Combined flux in latest and established models = 1.07827 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 119 components and 1.07827 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166255Jy sigma=0.001197 ! Fit after self-cal, rms=0.166248Jy sigma=0.001197 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Estimated beam: bmin=3.364 mas, bmaj=6.931 mas, bpa=-7.689 degrees ! Estimated noise=872.707 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.364 x 6.931 at -7.689 degrees (North through East) ! Clean map min=-0.0039499 max=0.87285 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166248Jy sigma=0.001197 ! Fit after self-cal, rms=0.158996Jy sigma=0.001100 ! Inverting map and beam ! Estimated beam: bmin=3.363 mas, bmaj=6.937 mas, bpa=-7.718 degrees ! Estimated noise=872.28 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000404943 Jy ! Component: 100 - total flux cleaned = -0.000267386 Jy ! Component: 150 - total flux cleaned = -0.000155855 Jy ! Component: 200 - total flux cleaned = -0.000158654 Jy ! Total flux subtracted in 200 components = -0.000158654 Jy ! Clean residual min=-0.003946 max=0.004164 Jy/beam ! Clean residual mean=0.000074 rms=0.001051 Jy/beam ! Combined flux in latest and established models = 1.07811 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 128 components and 1.07811 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158924Jy sigma=0.001099 ! Fit after self-cal, rms=0.158916Jy sigma=0.001099 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000214163 Jy ! Component: 100 - total flux cleaned = 0.00025359 Jy ! Component: 150 - total flux cleaned = 0.000329571 Jy ! Component: 200 - total flux cleaned = 0.000364608 Jy ! Total flux subtracted in 200 components = 0.000364608 Jy ! Clean residual min=-0.003942 max=0.004096 Jy/beam ! Clean residual mean=0.000072 rms=0.001044 Jy/beam ! Combined flux in latest and established models = 1.07847 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 135 components and 1.07847 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158888Jy sigma=0.001099 ! Fit after self-cal, rms=0.158885Jy sigma=0.001099 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158885Jy sigma=0.001099 ! Fit after self-cal, rms=0.158810Jy sigma=0.001099 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.394 mas, bmaj=5.786 mas, bpa=1.408 degrees ! Estimated noise=1594.16 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.65619 Jy ! Component: 100 - total flux cleaned = 0.829095 Jy ! Component: 150 - total flux cleaned = 0.912176 Jy ! Component: 200 - total flux cleaned = 0.960893 Jy ! Total flux subtracted in 200 components = 0.960893 Jy ! Clean residual min=-0.013373 max=0.026027 Jy/beam ! Clean residual mean=0.000224 rms=0.004051 Jy/beam ! Combined flux in latest and established models = 0.960894 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 27 model components to the UV plane model. ! The established model now contains 27 components and 0.960894 Jy ! Inverting map and beam ! Estimated beam: bmin=3.362 mas, bmaj=6.946 mas, bpa=-7.741 degrees ! Estimated noise=872.435 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0474498 Jy ! Component: 100 - total flux cleaned = 0.0732273 Jy ! Component: 150 - total flux cleaned = 0.0887589 Jy ! Component: 200 - total flux cleaned = 0.0989853 Jy ! Total flux subtracted in 200 components = 0.0989853 Jy ! Clean residual min=-0.004798 max=0.005590 Jy/beam ! Clean residual mean=0.000148 rms=0.001489 Jy/beam ! Combined flux in latest and established models = 1.05988 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 59 components and 1.05988 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.544 mas, bmaj=9.613 mas, bpa=6.133 degrees ! Estimated noise=1031.41 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00900167 Jy ! Component: 100 - total flux cleaned = 0.013529 Jy ! Component: 150 - total flux cleaned = 0.0161053 Jy ! Component: 200 - total flux cleaned = 0.0176656 Jy ! Total flux subtracted in 200 components = 0.0176656 Jy ! Clean residual min=-0.003055 max=0.003646 Jy/beam ! Clean residual mean=0.000149 rms=0.001056 Jy/beam ! Combined flux in latest and established models = 1.07754 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000938563 Jy ! Component: 100 - total flux cleaned = 0.00113484 Jy ! Component: 150 - total flux cleaned = 0.00125402 Jy ! Component: 200 - total flux cleaned = 0.00127547 Jy ! Total flux subtracted in 200 components = 0.00127547 Jy ! Clean residual min=-0.003028 max=0.003682 Jy/beam ! Clean residual mean=0.000139 rms=0.001045 Jy/beam ! Combined flux in latest and established models = 1.07882 Jy ! Adding 65 model components to the UV plane model. ! The established model now contains 122 components and 1.07882 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.362 mas, bmaj=6.946 mas, bpa=-7.741 degrees ! Estimated noise=872.435 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00106198 Jy ! Component: 100 - total flux cleaned = -0.000465451 Jy ! Component: 150 - total flux cleaned = -4.74209e-05 Jy ! Component: 200 - total flux cleaned = 0.000139336 Jy ! Total flux subtracted in 200 components = 0.000139336 Jy ! Clean residual min=-0.003921 max=0.004337 Jy/beam ! Clean residual mean=0.000066 rms=0.001087 Jy/beam ! Combined flux in latest and established models = 1.07896 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 133 components and 1.07896 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158999Jy sigma=0.001101 ! Fit after self-cal, rms=0.158978Jy sigma=0.001101 wmodel J0825+0309_S_2000_03_13_pus_map.mod ! Writing 133 model components to file: J0825+0309_S_2000_03_13_pus_map.mod wobs J0825+0309_S_2000_03_13_pus_uvs.fits ! Writing UV FITS file: J0825+0309_S_2000_03_13_pus_uvs.fits wwins J0825+0309_S_2000_03_13_pus_map.win ! wwins: Wrote 2 windows to J0825+0309_S_2000_03_13_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000146051 Jy ! Component: 100 - total flux cleaned = 0.000275266 Jy ! Component: 150 - total flux cleaned = 0.000399829 Jy ! Component: 200 - total flux cleaned = 0.000578394 Jy ! Component: 250 - total flux cleaned = 0.000809572 Jy ! Component: 300 - total flux cleaned = 0.000977577 Jy ! Component: 350 - total flux cleaned = 0.00119517 Jy ! Component: 400 - total flux cleaned = 0.00135419 Jy ! Component: 450 - total flux cleaned = 0.00166577 Jy ! Component: 500 - total flux cleaned = 0.00197037 Jy ! Component: 550 - total flux cleaned = 0.00221985 Jy ! Component: 600 - total flux cleaned = 0.00260991 Jy ! Component: 650 - total flux cleaned = 0.00294431 Jy ! Component: 700 - total flux cleaned = 0.00327333 Jy ! Component: 750 - total flux cleaned = 0.00364343 Jy ! Component: 800 - total flux cleaned = 0.00400861 Jy ! Component: 850 - total flux cleaned = 0.00459162 Jy ! Component: 900 - total flux cleaned = 0.00494354 Jy ! Component: 950 - total flux cleaned = 0.00529077 Jy ! Component: 1000 - total flux cleaned = 0.00563363 Jy ! Component: 1050 - total flux cleaned = 0.0062254 Jy ! Component: 1100 - total flux cleaned = 0.00655904 Jy ! Component: 1150 - total flux cleaned = 0.00697017 Jy ! Component: 1200 - total flux cleaned = 0.00725378 Jy ! Component: 1250 - total flux cleaned = 0.0078137 Jy ! Component: 1300 - total flux cleaned = 0.00804986 Jy ! Component: 1350 - total flux cleaned = 0.0082843 Jy ! Component: 1400 - total flux cleaned = 0.00855495 Jy ! Component: 1450 - total flux cleaned = 0.00889868 Jy ! Component: 1500 - total flux cleaned = 0.00908745 Jy ! Component: 1550 - total flux cleaned = 0.009312 Jy ! Component: 1600 - total flux cleaned = 0.00960756 Jy ! Component: 1650 - total flux cleaned = 0.00986342 Jy ! Component: 1700 - total flux cleaned = 0.00986332 Jy ! Component: 1750 - total flux cleaned = 0.0100426 Jy ! Component: 1800 - total flux cleaned = 0.0102203 Jy ! Component: 1850 - total flux cleaned = 0.0102906 Jy ! Component: 1900 - total flux cleaned = 0.0104992 Jy ! Component: 1950 - total flux cleaned = 0.0106369 Jy ! Component: 2000 - total flux cleaned = 0.0106364 Jy ! Total flux subtracted in 2048 components = 0.010738 Jy ! Clean residual min=-0.001940 max=0.002283 Jy/beam ! Clean residual mean=0.000054 rms=0.000671 Jy/beam ! Combined flux in latest and established models = 1.0897 Jy keep ! Adding 140 model components to the UV plane model. ! The established model now contains 273 components and 1.0897 Jy ![Exited script file: muppet] wmap "J0825+0309_S_2000_03_13_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.362 x 6.946 at -7.741 degrees (North through East) ! Clean map min=-0.0031932 max=0.8733 Jy/beam ! Writing clean map to FITS file: J0825+0309_S_2000_03_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.873304 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000670476 device "J0825+0309_S_2000_03_13_pus\_map.eps/VPS" ! Attempting to open device: 'J0825+0309_S_2000_03_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.230324 0.230324 0.460648 0.921296 1.84259 3.68518 7.37037 14.7407 29.4815 58.9629 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.002 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.873 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.362 x 6.946 at -7.741 degrees (North through East) ! Clean map min=-0.0031932 max=0.8733 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J0825+0309_S_2000_03_13_pus_uvs.log closed on Tue Apr 2 14:41:33 2013